<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Dom;
use ArrayAccess;
use Countable;
use DOMDocument;
use DOMNodeList;
use DOMNode;
use Iterator;
/**
* Nodelist for DOM XPath query
*/
class NodeList implements Iterator, Countable, ArrayAccess
{
/**
* CSS Selector query
* @var string
*/
protected $cssQuery;
/**
* @var DOMDocument
*/
protected $document;
/**
* @var DOMNodeList
*/
protected $nodeList;
/**
* Current iterator position
* @var int
*/
protected $position = 0;
/**
* XPath query
* @var string
*/
protected $xpathQuery;
/**
* Constructor
*
* @param string $cssQuery
* @param string|array $xpathQuery
* @param DOMDocument $document
* @param DOMNodeList $nodeList
*/
public function __construct($cssQuery, $xpathQuery, DOMDocument $document, DOMNodeList $nodeList)
{
$this->cssQuery = $cssQuery;
$this->xpathQuery = $xpathQuery;
$this->document = $document;
$this->nodeList = $nodeList;
}
/**
* Retrieve CSS Query
*
* @return string
*/
public function getCssQuery()
{
return $this->cssQuery;
}
/**
* Retrieve XPath query
*
* @return string
*/
public function getXpathQuery()
{
return $this->xpathQuery;
}
/**
* Retrieve DOMDocument
*
* @return DOMDocument
*/
public function getDocument()
{
return $this->document;
}
/**
* Iterator: rewind to first element
*
* @return DOMNode
*/
public function rewind()
{
$this->position = 0;
return $this->nodeList->item(0);
}
/**
* Iterator: is current position valid?
*
* @return bool
*/
public function valid()
{
if (in_array($this->position, range(0, $this->nodeList->length - 1)) && $this->nodeList->length > 0) {
return true;
}
return false;
}
/**
* Iterator: return current element
*
* @return DOMNode
*/
public function current()
{
return $this->nodeList->item($this->position);
}
/**
* Iterator: return key of current element
*
* @return int
*/
public function key()
{
return $this->position;
}
/**
* Iterator: move to next element
*
* @return DOMNode
*/
public function next()
{
++$this->position;
return $this->nodeList->item($this->position);
}
/**
* Countable: get count
*
* @return int
*/
public function count()
{
return $this->nodeList->length;
}
/**
* ArrayAccess: offset exists
*
* @param int $key
* @return bool
*/
public function offsetExists($key)
{
if (in_array($key, range(0, $this->nodeList->length - 1)) && $this->nodeList->length > 0) {
return true;
}
return false;
}
/**
* ArrayAccess: get offset
*
* @param int $key
* @return mixed
*/
public function offsetGet($key)
{
return $this->nodeList->item($key);
}
/**
* ArrayAccess: set offset
*
* @param mixed $key
* @param mixed $value
* @throws Exception\BadMethodCallException when attemptingn to write to a read-only item
*/
public function offsetSet($key, $value)
{
throw new Exception\BadMethodCallException('Attempting to write to a read-only list');
}
/**
* ArrayAccess: unset offset
*
* @param mixed $key
* @throws Exception\BadMethodCallException when attemptingn to unset a read-only item
*/
public function offsetUnset($key)
{
throw new Exception\BadMethodCallException('Attempting to unset on a read-only list');
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|